Instruction manual
Parts Lists and Schematics
172 025-9416
41 2 U25,U26 321-0130 RAM,1K,DUAL PORT,120nS OR BETTER,DIP-48 1K RAM 12ONS
42 1 U16 321-0202 DECODER,DTMF,DIP-18 75T202
43 1 U4 NOTE 2 321-0751 MICRO,CMOS,3.5 TO 12MHZ,0 TO 70C,DIP-24 ASIC 001
44 1 U12 321-3054 PCM,CODEC,u-LAW,SERIAL I/O,DUAL,5V,DIP-16 3054 CODEC
45 2 U15,U34 321-3155 PCM, TSAC,DIP-20 3155
46 1 U33 321-6813 UP-HC,NON-MUX W/CS,3MHZ,PLCC-68 68HC11F1
47 1 U20 321-6816 UP-HC MOS,PLCC-52 68HC11E0
48 4 U17,U18,U29,U30 321-8256 SRAM,32K x 8,100nS,50uA, 0 TO 70C 32K x 8 SRAM
49 1 U22 NOTE 2 322-2210 PAL,22V10,DIP-24 22V10 PAL
50 1 U31 NOTE 2 322-2211 PAL,22V10,10nS,DIP-24 22V10-10PAL
51 2 U19,U28 NOTE 2 322-7128 EPROM,CMOS,16K x 8,250nS,DIP-28 27128 EPROM
52 1 U13 323-4053 ANALOG SWITCH,TRIPLE SPDT,DIP-16 4053
53 1 U27 324-4154 DECODER,HC,1 OF 16,DIP-24 74HC154
54 1 U10 325-4174 FLIP-FLOP,D,HCT,W/COMMON CLK & RST 74HCT174
55 1 U9 325-4245 XCVR,HCT,3-STATE,NON-INVERTING,OCTAL 74HCT245
56 1 U11 325-4373 LATCH,HCT,OCTAL 74HCT373
57 1 U3 325-4374 FLIP-FLOP,D,HCT,REG 3-STATE 74HCT374
58 2 U36,U35 325-7474 FLIP-FLOP,D,HCT,W/SET & RST,DUAL,DIP-14 74HCT74
59 3 Q1,Q2,Q3 340-0014 XSTR,NPN,DARLINGTON,0.5A 30V, MPSA14
60 4 Q4,Q5,Q6,Q7 340-3904 XSTR,NPN,40V/200MA,TO92 2N3904
61 10 CR1,CR2,CR3,CR4,CR5, 342-3009 DIODE,SILICON,100V,250MW 1N4148
CR6,CR7,CR8,CR9,CR10
62 1 Y1 NOTE 1 376-0358 XTAL,3.579545MHZ,CL=18pF,HC-49 3.58MHZ
63 1 Y2 NOTE 5 376-1474 TCXO,14.7456MHZ,+-1PPM 0-50C,+-1PPM/YR 14.7456MHZ
64 3 K1,K2,K3 380-0030 RELAY,DPDT,12 V COIL,MINI-DIP
65 1 P1 401-0029 CONN,POWER,3 PIN
66 2 J4,J5 401-0062 CONN,CARD EDGE,2 x 31
67 1 J1 401-0206 CONN,RJ21,50 PIN,MALE
68 2 J3,J2 401-0843 2 X 15 EDGE CONNECTOR
69 1 P2 401-6006 6-POS MALE
70 2 TP1,TP2 403-0001 01 OF 401-0052
71 2 JP7,JP10 403-0002 02 OF 401-0052
72 8 JP1,JP2,JP3,JP4, 403-0003 03 OF 401-0052
JP5,JP6,JP8,JP9
73 1 P4 403-0006 06 OF 401-0052
74 1 P3 404-1217 34 OF 401-1364 [17 x 2]
75 1 XJ1 NOTE 3 210-0001 440 KEP NUT PLATED
76 1 XJ1 NOTE 3 220-0103 440x1/2 PAN PHILLIPS
77 6 XJP1,XJP2,XJP5 (POS A) 402-3040 MINI JUMPER
XJP3,XJP4,XJP6 (POS B)
78 1 XU2 407-0014 SKT, 14 PIN DIP
79 1 XU32 407-0016 SKT, 16 PIN DIP
80 3 XU4,22,31 407-0023 SKT, 24 PIN SKINNY DIP
81 2 XU19,28 407-0028 SKT, 28 PIN DIP
82 1 XU20 407-0052 SKT, 52 PIN QUAD
83 1 XU33 407-0068 SKT, 68 PIN QUAD
84 1 PCB 410-9360D M640 PERIPHERAL MOTHER BOARD
85 9 XDS1-DS9 417-0010 LED MNT RA
86 1 XU28 NOTE 2 601-0325 V2A5 640 TRUNK SOFTWARE
87 1 XU31 NOTE 2 601-0326 V1.00 640 TRUNK DECODE
88 1 XU19 NOTE 2 601-0327 V1.01 640 STATION SOFTWARE
89 1 XU22 NOTE 2 601-0328 V1.00 640 STATION DECODE
90 1 XU4 NOTE 2 601-0361 V1.00 640 TRANSMITTER TONE ASIC SOFTWARE
NOTES: (Notes are for production use only.)